Use a graphing calculator to find the equation of the line of best fit for the data in the table below. Find the value of the correlation coefficient r. Then predict the number of movie tickets sold in 2014. Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Tickets Sold (millions) 1288 1303 1312 1336 1371 1368 1410 1418 1434 1459
Use a graphing calculator to find the equation of the line of best fit for the data in the table below. Find the value of the correlation coefficient r. Then predict the number of movie tickets sold in 2014. Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Tickets Sold (millions) 1288 1303 1312 1336 1371 1368 1410 1418 1434 1459
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 1AGP
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Part 1
Use a graphing calculator to find the equation of the line of best fit for the data in the table below. Find the value of the correlation coefficient r. Then predict the number of movie tickets sold in 2014.
Year
|
1998
|
1999
|
2000
|
2001
|
2002
|
2003
|
2004
|
2005
|
2006
|
2007
|
Tickets Sold
(millions)
|
1288
|
1303
|
1312
|
1336
|
1371
|
1368
|
1410
|
1418
|
1434
|
1459
|
Question content area bottom
Part 1
Find the equation of the line of best fit. Round to two decimal places as needed. Choose the correct answer below.
y=19.42x+37,527.15
y=−37,527.15
y=19.42x−37,527.15
y=−37,527.15x+19.42
Part 2
The correlation coefficient r is
0.9920.992.
(Round to three decimal places as needed.)Part 3
The predicted number of movie tickets sold in
2014
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